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CN112197039A
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Antiknock valve
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Vane type large-air-volume shock wave resisting valve
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Two-way shock wave resisting valve
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Antiknock fire resistance rolling shutter door
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Anti-explosive valve
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One kind can open type explosion release window wall
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Inhibit destructor and inhibits flare system
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A kind of nonflame bleeder of cylinder-like structure
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Active pipe pressure type flame proof valve
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A kind of heat-insulated blast-resistant door
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A kind of explosion venting device of tape guide
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It is a kind of for toilet without purlin venting of dust explosion wall
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A kind of two-way flame proof valve
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A kind of reusable nonflame bleeder
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Dust nonflame bleeder
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A kind of toilet's venting of dust explosion curtain wall
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A kind of unidirectional flame proof valve of normally closed type
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A kind of unidirectional flame proof valve open in usual
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A kind of unidirectional flame proof valve of air flow blowing formula
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A kind of pipe pressure type flame proof valve
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